BioMed Research International / 2015 / Article / Tab 3

Research Article

Differential Effects of Endotracheal Suctioning on Gas Exchanges in Patients with Acute Respiratory Failure under Pressure-Controlled and Volume-Controlled Ventilation

Table 3

Tidal volume (), respiratory system compliance (), and airway pressure changes before and after endotracheal suctioning under pressure-controlled ventilation (PCV) or volume-controlled ventilation (VCV).

Time PCVVCV
(mL/kg) (mL/cmH2O) (cmH2O) (mL/cmH2O) (cmH2O)

Baseline level9.0 ± 0.125.3 ± 7.825.1 ± 7.524.6 ± 6.323.8 ± 5.8
Before suctioning7.5 ± 2.2*20.9 ± 5.8*36.2 ± 8.7*15.9 ± 5.8*26.2 ± 6.4
1 min6.3 ± 1.8*17.8 ± 6.8*34.8 ± 8.4*16.6 ± 5.1*27.9 ± 7.3*
3 min6.4 ± 1.9*17.8 ± 6.3*34.9 ± 6.5*16.6 ± 6.6*27.8 ± 5.9*
5 min6.5 ± 1.6*18.0 ± 6.7*34.7 ± 7.8*16.7 ± 6.4*27.9 ± 6.9*
10 min6.5 ± 2.0*18.1 ± 7.3*34.5 ± 8.2*16.8 ± 5.5*28.0 ± 7.6*

*, compared with the baseline level, PCV: pressure-controlled ventilation, VCV: volume-controlled ventilation, : tidal volume, : airway peak pressure, : respiratory system compliance, and : airway plat pressure.

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